{"id":9615,"date":"2020-10-20T01:26:02","date_gmt":"2020-10-19T17:26:02","guid":{"rendered":"https:\/\/www.zhangxinxu.com\/wordpress\/?p=9615"},"modified":"2022-01-25T16:49:13","modified_gmt":"2022-01-25T08:49:13","slug":"text-as-css-background-image","status":"publish","type":"post","link":"https:\/\/www.zhangxinxu.com\/wordpress\/2020\/10\/text-as-css-background-image\/","title":{"rendered":"\u5982\u4f55\u8ba9\u6587\u5b57\u4f5c\u4e3aCSS\u80cc\u666f\u56fe\u7247\u663e\u793a\uff1f"},"content":{"rendered":"<p>by <a href=\"https:\/\/www.zhangxinxu.com\/\">zhangxinxu<\/a> from <a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/?p=9615\">https:\/\/www.zhangxinxu.com\/wordpress\/?p=9615<\/a><br \/>\n\u672c\u6587\u6b22\u8fce\u5206\u4eab\u4e0e\u805a\u5408\uff0c\u5168\u6587\u8f6c\u8f7d\u5c31\u4e0d\u5fc5\u4e86\uff0c\u5c0a\u91cd\u7248\u6743\uff0c\u5708\u5b50\u5c31\u8fd9\u4e48\u5927\uff0c\u82e5\u6025\u7528\u53ef\u4ee5\u8054\u7cfb\u6388\u6743\u3002<\/p>\n<p><script>window.wxShareImgUrl = 'https:\/\/www.zhangxinxu.com\/study\/image\/share\/202020-text-svg.png';<\/script><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202010\/text-svg-cover.png\" width=\"480\" height=\"315\" alt=\"\u6587\u672c\u53d8CSS\u80cc\u666f\u5c01\u9762\u56fe\" class=\"alignright clip thumb size-medium\" \/><\/p>\n<p>\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u6709\u65f6\u5019\u5e0c\u671b\u6587\u5b57\u5185\u5bb9\u53ef\u4ee5\u4f5c\u4e3a\u80cc\u666f\u56fe\u7247\u663e\u793a\uff0c\u4e00\u65b9\u9762\u662f\u5e0c\u671b\u5229\u7528\u80cc\u666f\u56fe\u7247\u7684\u4f18\u52bf\uff0c\u4f8b\u5982\u53ef\u4ee5\u5e73\u94fa\uff0c\u53e6\u5916\u4e00\u65b9\u9762\u662f\u5e38\u89c1\u7684\u66ff\u6362\u5143\u7d20\u4e0d\u80fd\u4f7f\u7528\u4f2a\u5143\u7d20\u521b\u5efa\u6587\u5b57\uff0c\u6b64\u65f6\u53ea\u80fd\u5bc4\u5e0c\u671b\u4e0e\u80cc\u666f\u56fe\u3002<\/p>\n<p>\u5173\u952e\u5982\u4f55\u628a\u6587\u5b57\u53d8\u6210\u80cc\u666f\u56fe\u5462\uff1f<\/p>\n<p>\u901a\u5e38CSS\u5f00\u53d1\u4eba\u5458\u7684\u505a\u6cd5\u662f\u628a\u6587\u5b57\u5bfc\u51fa\u6765\u8f6c\u6362\u6210\u56fe\u7247\uff0c\u7136\u540e\u4f5c\u4e3a\u80cc\u666f\u56fe\u663e\u793a\uff0c\u4f46\u662f\u8fd9\u6837\u6210\u672c\u6709\u4e9b\u9ad8\uff0c\u4e5f\u4e0d\u5229\u4e8e\u65e5\u540e\u7684\u7ef4\u62a4\u3002<\/p>\n<p>\u8fd9\u91cc\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u4e00\u79cd\u5b9e\u7528\u7684\u6280\u672f\uff0c\u53ef\u4ee5\u8ba9\u6587\u5b57\u4f5c\u4e3aCSS\u80cc\u666f\u56fe\u7247\u3002<\/p>\n<h3>\u4e00\u3001SVG\u672c\u8d28\u4e0a\u5c31\u662f\u4e00\u4e2a\u56fe\u50cf<\/h3>\n<p>SVG\u867d\u7136\u662fXML\u8bed\u8a00\u6784\u6210\u7684\uff0c\u4f46\u662f\u672c\u8d28\u4e0a\u5c31\u662f\u4e00\u4e2a\u56fe\u50cf\uff0c\u662f\u53ef\u4ee5\u4f5c\u4e3a\u56fe\u50cf\u4f7f\u7528\u7684\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre>&lt;img src=\"zhangxinxu.svg\"&gt;<\/pre>\n<p>\u6b64\u65f6\u7684zhangxinxu.svg\u5c31\u662f\u4e00\u4e2a\u56fe\u50cf\uff0c\u540c\u6837\u7684\uff0c\u4e5f\u53ef\u4ee5\u4f5c\u4e3a\u80cc\u666f\u56fe\u663e\u793a\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre>.example {\r\n    background: url(zhangxinxu.svg);\r\n}<\/pre>\n<p>\u4f46\u662f\uff0c\u8fd9\u91cc\u7684SVG\u6587\u4ef6\u90fd\u662f\u72ec\u7acb\u7684SVG\u6587\u4ef6\uff0c\u548c\u628a\u6587\u5b57\u5bfc\u51fa\u6210PNG\u56fe\u7247\u6ca1\u6709\u4efb\u4f55\u533a\u522b\uff0c\u6839\u672c\u6ca1\u6709\u610f\u4e49\u561b\uff01<\/p>\n<p>\u5bf9\u7684\uff0c\u8bf7\u4e0d\u7528\u6025\uff0c\u662f\u8fd9\u6837\u7684\uff0cSVG\u4f5c\u4e3a\u4e00\u4e2a\u77e2\u91cf\u56fe\u50cf\uff0c\u548c\u901a\u5e38\u7684\u4f4d\u56fe\u6709\u4e00\u70b9\u4e0d\u4e00\u6837\uff0c\u90a3\u5c31\u662fSVG\u56fe\u50cf\u53ef\u4ee5\u76f4\u63a5\u4ee5\u6e90\u4ee3\u7801\u7684\u65b9\u5f0f\u5185\u8054\u5728Web\u9875\u9762\u4e2d\u3002<\/p>\n<p>\u5173\u4e8e\u8fd9\u4e2a\u7279\u6027\uff0c\u53ef\u4ee5\u53c2\u8003\u6211\u4e4b\u524d\u7684\u8fd9\u7bc7\u6587\u7ae0\uff1a\u201c<a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/2018\/08\/css-svg-background-image-base64-encode\/\">CSS\u4e2d\u5185\u8054SVG\u56fe\u7247\u6709\u6bd4Base64\u66f4\u597d\u7684\u5f62\u5f0f<\/a>\u201d\u3002<\/p>\n<p>\u4f8b\u5982\u4e0b\u9762\u662f\u4e00\u6bb5\u663e\u793a\u6587\u672c\u7684SVG\u4ee3\u7801\uff1a<\/p>\n<pre>&lt;svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\"&gt;\r\n    &lt;text&gt;\u6587\u5b57\u5185\u5bb9&lt;\/text&gt;\r\n&lt;\/svg&gt;<\/pre>\n<p>\u662f\u53ef\u4ee5\u76f4\u63a5\u4f5c\u4e3a<code>background-image<\/code>\u4f7f\u7528\u7684\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre>.by-zhangxinxu {\r\n    background-image: url('&lt;svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\"&gt;&lt;text&gt;\u6587\u5b57\u5185\u5bb9&lt;\/text&gt;&lt;\/svg&gt;');\r\n}<\/pre>\n<p>\u7531\u4e8e\u5b89\u5168\u6027\u9650\u5236\uff0c\u76ee\u524d\u9700\u8981\u5bf9\u90e8\u5206\u5b57\u7b26\u8fdb\u884c\u8f6c\u4e49\uff0c\u56e0\u6b64\uff0c\u5b9e\u9645\u7684CSS\u4ee3\u7801\u662f\u8fd9\u6837\u7684\uff1a<\/p>\n<pre>.exmaple {\r\n    background-image: url(\"data:image\/svg+xml,%3Csvg xmlns='http:\/\/www.w3.org\/2000\/svg'%3E%3Ctext%3E\u6587\u5b57\u5185\u5bb9%3C\/text%3E%3C\/svg%3E\");\r\n}<\/pre>\n<p>\u76f8\u6bd4PNG\u56fe\u50cf\u7684\u6587\u5b57\u80cc\u666f\uff0c\u4f7f\u7528SVG\u5185\u8054\u7684\u597d\u5904\u5728\u4e8e\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u4fee\u6539\u6587\u5b57\u7684\u5185\u5bb9\uff0c\u540c\u65f6\u6211\u4eec\u53ef\u4ee5\u968f\u610f\u8bbe\u7f6e\u6587\u5b57\u7684\u5b57\u53f7\u5927\u5c0f\uff0c\u989c\u8272\u3001\u63cf\u8fb9\u6548\u679c\u7b49\u7b49\u3002<\/p>\n<p>\u4f46\u662f\uff0c\u6bcf\u6b21\u90fd\u624b\u5199\u4e00\u6bb5SVG\u4ee3\u7801\u597d\u96be\u54e6\uff0c\u5c24\u5176\u5f88\u591a\u524d\u7aef\u5c0f\u4f19\u4f34\u5bf9SVG\u5e76\u4e0d\u662f\u5f88\u719f\u6089\u3002<\/p>\n<p>\u4e0d\u8981\u7d27\uff0c\u8003\u8651\u5230\u8fd9\u79cd\u60c5\u51b5\u5b58\u5728\uff0c\u6211\u4e13\u95e8\u505a\u4e86\u4e00\u4e2a\u751f\u6210SVG\u6587\u5b57\u80cc\u666f\u56fe\u7684\u5de5\u5177\u3002<\/p>\n<h3>\u4e8c\u3001SVG\u6587\u5b57\u80cc\u666f\u56fe\u751f\u6210\u5de5\u5177<\/h3>\n<p>\u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1a<a href=\"https:\/\/www.zhangxinxu.com\/sp\/svg-text.php\" rel=\"noopener\" target=\"_blank\" class=\"a_link\">\u6587\u5b57\u8f6cSVG\u56fe\u50cf\u5728\u7ebf\u8f6c\u6362\u5de5\u5177<\/a><\/p>\n<p>\u754c\u9762\u622a\u56fe\u793a\u610f\u5982\u4e0b\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202010\/2020-10-20_000532.png\" width=\"613\" height=\"795\" alt=\"\u5de5\u5177\u754c\u9762\u793a\u610f\u622a\u56fe\" class=\"alignnone size-medium\" \/><\/p>\n<p>\u6700\u4e0a\u9762\u662f\u914d\u7f6e\u533a\u57df\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u4f5c\u4e3a\u80cc\u666f\u7684\u6587\u5b57\u5185\u5bb9\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u6587\u5b57\u7684\u989c\u8272\u3001\u900f\u660e\u5ea6\u4ee5\u53ca\u4f4d\u7f6e\u7b49\u4fe1\u606f\u3002<\/p>\n<p>\u4e2d\u95f4\u662f\u4ee3\u7801\u533a\uff0c\u5de6\u4fa7\u662f\u539f\u59cbSVG\uff0c\u53ef\u4ee5\u70b9\u51fb\u56fe\u6807\u4e0b\u8f7dSVG\u6587\u4ef6\u5230\u672c\u5730\uff1b\u53f3\u4fa7\u662f\u8f6c\u4e49\u7684\u53ef\u4ee5\u76f4\u63a5\u5185\u8054\u4f7f\u7528\u7684SVG\u4ee3\u7801\uff0cHTML\u548cCSS\u4e2d\u5747\u53ef\u5185\u8054\u4f7f\u7528\u3002<\/p>\n<p>\u6700\u4e0b\u9762\u662f\u9884\u89c8\u533a\u57df\u3002<\/p>\n<p><strong>\u5982\u679c\u9700\u8981\u5176\u4ed6\u914d\u7f6e\u9879<\/strong><\/p>\n<p>\u5b9e\u9645\u5f00\u53d1\u4e2d\u7684\u9700\u6c42\u662f\u5343\u53d8\u4e07\u5316\u7684\uff0c\u5de5\u5177\u76ee\u524d\u5185\u7f6e\u7684\u914d\u7f6e\u9879\u4e0d\u4e00\u5b9a\u80fd\u8986\u76d6\u6240\u6709\u7684\u573a\u666f\uff0c\u6b64\u65f6\u53ef\u4ee5\u8fd9\u4e48\u5904\u7406\uff0c\u76f4\u63a5\u4fee\u6539\u5de6\u4fa7\u6587\u672c\u57df\u4e2d\u7684SVG\u4ee3\u7801\uff0c\u6b64\u65f6\u53f3\u4fa7\u7684\u8f6c\u4e49SVG\u4ee3\u7801\u4f1a\u81ea\u52a8\u540c\u6b65\uff0c\u4f8b\u5982\uff0c\u5982\u679c\u6211\u4eec\u5e0c\u671b\u80cc\u666f\u6587\u5b57\u5e26\u6709\u65cb\u8f6c\u6548\u679c\uff0c\u8fd9\u6837\u53ef\u4ee5\u4f5c\u4e3a\u6c34\u5370\u56fe\u7247\u4f7f\u7528\uff0c\u5219\u53ef\u4ee5\u5728\u5df2\u7ecf\u751f\u6210\u7684SVG\u4ee3\u7801\u4e2d\u7684\u5143\u7d20\u4e0a\u8bbe\u7f6e45\u5ea6\u65cb\u8f6c\u76f8\u5173\u7684\u4ee3\u7801\u3002<\/p>\n<p>\u4e00\u79cd\u65b9\u6cd5\u662f\u76f4\u63a5\u5728<code>&lt;svg&gt;<\/code>\u5143\u7d20\u4e0a\u8bbe\u7f6e\u4f20\u7edfDOM\u5143\u7d20\u7684CSS style\u8bbe\u7f6e\uff0c\u4f8b\u5982\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202010\/2020-10-20_002052.png\" width=\"503\" height=\"386\" alt=\"SVG\u65cb\u8f6c\u8bbe\u7f6e\u793a\u610f\" class=\"alignnone size-medium\" \/><\/p>\n<p>\u53e6\u5916\u4e00\u79cd\u65b9\u6cd5\u5c31\u662f<code>&lt;text&gt;<\/code>\u5143\u7d20\u4e0a\u4f7f\u7528SVG\u5143\u7d20\u81ea\u52a8\u7684<code>transform<\/code>\u5c5e\u6027\u8fdb\u884c\u8bbe\u7f6e\uff0c\u4f46\u662fSVG\u4e2d\u7684<code>transform<\/code>\u53d8\u6362\u5750\u6807\u548cCSS\u662f\u5f88\u4e0d\u4e00\u6837\u7684\uff0c\u76f4\u63a5<code>&lt;text transform=\"rotate(-45)\"&gt;<\/code>\u662f\u4e0d\u4f1a\u6709\u9884\u671f\u7684\u65cb\u8f6c\u6548\u679c\u7684\uff0c\u56e0\u4e3a\u9ed8\u8ba4SVG\u7684\u53d8\u6362\u4e2d\u5fc3\u70b9\u662f\u5de6\u4e0a\u89d2\uff0c\u56e0\u6b64\uff0c\u8bbe\u7f6e<code>transform=\"rotate(-45)\"<\/code>\u4f1a\u8ba9\u6587\u5b57\u4e0d\u53ef\u89c1\u3002<\/p>\n<p>\u5173\u4e8eSVG\u7684<code>transform<\/code>\u53d8\u6362\u5750\u6807\u4f53\u7cfb\u53ef\u4ee5\u53c2\u8003\u6211\u4e4b\u524d\u5199\u7684\u8fd9\u7bc7\u6587\u7ae0\uff1a\u201c<a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/2015\/10\/understand-svg-transform\/\">\u7406\u89e3SVG transform\u5750\u6807\u53d8\u6362<\/a>\u201d<\/p>\n<p><code>&lt;text&gt;<\/code>\u5143\u7d20\u4e5f\u80fd\u56f4\u7ed5\u4e2d\u5fc3\u70b9\u53d8\u6362\u67092\u4e2a\u65b9\u6cd5\uff0c\u4e00\u79cd\u662f\u4f7f\u7528<code>translate()<\/code>\u51fd\u6570\u5148\u504f\u79fb\u3001\u7136\u540e\u518d\u65cb\u8f6c\uff0c\u7136\u540e\u5728\u504f\u79fb\u590d\u539f\uff0c\u8fd9\u79cd\u65b9\u6cd5\u5570\u55e6\u4e86\u4e00\u70b9\uff0c\u53e6\u5916\u4e00\u79cd\u65b9\u6cd5\u5c31\u662f\u4f7f\u7528SVG\u4e2d<code>rotate()<\/code>\u51fd\u6570\u7684\u53ef\u9009\u53c2\u6570\uff0c\u4e5f\u5c31\u662f\u7b2c2\u4e2a\u53c2\u6570\uff0c\u5c31\u662f\u53ef\u4ee5\u6307\u5b9a\u65cb\u8f6c\u7684\u4e2d\u5fc3\u70b9\u5750\u6807\uff0c\u8fd9\u4e2a\u7279\u6027SVG\u72ec\u6709\uff0cCanvas\u4e2d\u662f\u6ca1\u6709\u7684\u3002<\/p>\n<p>\u4ee3\u7801\u6f14\u793a\u5982\u4e0b\u622a\u56fe\u6240\u793a\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202010\/2020-10-20_003309.png\" width=\"417\" height=\"392\" alt=\"transform\u8bbe\u7f6e\u65cb\u8f6c45\u5ea6\u793a\u610f\" class=\"alignnone size-medium\" \/><\/p>\n<p>\u5176\u4e2d\uff0c\u53ef\u4ee5\u770b\u5230\u4e13\u95e8\u8bbe\u7f6e\u4e86SVG\u5143\u7d20\u7684<code>width<\/code>\u5bbd\u548c<code>height<\/code>\u9ad8\uff0c\u56e0\u4e3a\u5982\u679c\u4e0d\u8bbe\u7f6e\uff0c\u6309\u7167\u76ee\u524d\u7684CSS <code>background-size<\/code>\u7684\u5c3a\u5bf8\u6e32\u67d3\u89c4\u8303\uff0cSVG\u7684\u5c3a\u5bf8\u4f1a\u91c7\u7528\u5bb9\u5668\u7684\u5c3a\u5bf8\uff0c<code>rotate()<\/code>\u51fd\u6570\u7684\u7b2c2\u4e2a\u53c2\u6570\u5c31\u9700\u8981\u8bbe\u7f6e\u4e3a\u5bb9\u5668\u5143\u7d20\u7684\u5bbd\u9ad8\u7684\u4e00\u534a\u624d\u80fd\u8ba9\u6587\u5b57\u5c45\u4e2d\u65cb\u8f6c\u3002<\/p>\n<p><span class=\"hidden\">\/\/zxx: \u5982\u679c\u4f60\u770b\u5230\u8fd9\u6bb5\u6587\u5b57\uff0c\u8bf4\u660e\u4e0d\u5728\u539f\u6587\u5904\uff0c\u4f60\u53ef\u4ee5\u8bbf\u95ee\u539f\u6587\u83b7\u5f97\u5f88\u597d\u7684\u4f53\u9a8c\uff1ahttps:\/\/www.zhangxinxu.com\/wordpress\/?p=9615\uff08\u4f5c\u8005\u5f20\u946b\u65ed\uff09<\/span><\/p>\n<p><strong>\u66f4\u65b0\u4e8e 2022-01-25<\/strong><\/p>\n<p><code>dominant-baseline=\"middle\"<\/code> \u53ea\u662f\u8fd1\u4f3c\u5782\u76f4\u5c45\u4e2d\uff0c\u5982\u679c SVG \u56fe\u7247\u9ad8\u5ea6\u8f83\u5c0f\uff0c\u4f1a\u770b\u5230\u5f80\u4e0a\u504f\u79fb\u4e86\u4e00\u70b9\u8ddd\u79bb\uff0c\u6b64\u65f6\u53ef\u4ee5\u8bd5\u8bd5\u4fee\u6539\u4e3a <code>dominant-baseline=\"central\"<\/code>\u3002<\/p>\n<h3>\u4e09\u3001\u6587\u5b57\u80cc\u666f\u56fe\u5e94\u7528\u6848\u4f8b<\/h3>\n<p>\u8fd9\u91cc\u629b\u7816\u5f15\u7389\uff0c\u4e3e\u51e0\u4e2a\u4f7f\u7528\u6587\u5b57\u4f5c\u4e3a\u80cc\u666f\u56fe\u7684\u4f8b\u5b50\u3002<\/p>\n<h4>1. 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